Cooling System Components, Body Side

Cooling system components, body side





Engine codes AEG, AVH, AZG, BBW, BEV

Note:
^ Coolant hose connection diagram.

1- Radiator
^ After replacement replace entire amount of coolant
2- O-ring
^ Always replace





3- Upper coolant hose
4- Distributor connection piece
5- Clip
6- A/C Cut-Out Thermal Switch -F163-
^ Only applies to models with air conditioning system up to build date 05.99, depending on version.
7- Coolant hose
^ From cylinder head union
8- Coolant hose
9- Coolant hose
^ To coolant pipe on cylinder block, AEG engine.
^ To oil cooler on engines: AVH, AZG, BBW, BEV





10- Connector
11- Cover
^ Pressure relief valve must open at a pressure of 1.4 to 1.6 bar
12- 10 Nm
13- Expansion tank
^ Test pressure 1.4 to 1.6 bar
14- Coolant hose
^ From throttle valve control module
15- Coolant hose
^ To coolant pipe
16- Air ducting





17- Right coolant fan -V35-
^ Only models with optional equipment
18- Fan ring
19- Retaining clip
^ Check seated securely
20- Coolant fan -V7-
21- Bracket
^ For coolant fan connector
22- Lower coolant hose





23- Connector
^ For Coolant Fan Control (FC) thermal switch -F18-
24- Coolant Fan Control (FC) thermal switch -F18-, 35 Nm
^ For Coolant fan -V7- and Right coolant fan -V35-
^ Switching temperatures:
1st Speed
^ on: 92 ... 97°C
^ off: 84...91°C
2nd Speed
^ on: 99...105°C
^ off: 91...98°C
25- Bracket